Improvised explosive devices (ied) Definition



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IMPROVISED EXPLOSIVE DEVICES (IED)

Definition

  • An IED is a device, assembled by an organization or an individual in contravention to the existing rules of Law of Nation adopting unconventional or semi-conventional methods of assembling a standard device, ammunition/explosives or commercial, with a criminal/anti-national intention.
  • The design of an IED will depend on the lethality of a bomb

The effects of an

  • The effects of an
  • IED explosion are not standard and predictable
  • The effects will vary in each case, depending on :
      • Components
      • Quality of explosive
      • Casing
      • Quantity of splinters
  • IED

Components of an IED

  • Explosives
  • Detonator
  • Power Source (Battery)
  • Initiation Mechanism (Switch)

Components of an IED…

  • +
  • -
  • Battery
  • Switch
  • Explosive & Detonator
  • Briefcase Bomb with Mechanism

Initiation Mechanism

  • The switch is a mechanism incorporated to ensure initiation of an IED in a predetermined pattern so as to ensure success in destroying the target in a well deliberated manner.

Chain of Detonation

  • Main Charge
  • Booster
  • Detonation Wave Carrier (Cordtex)
  • Detonator
  • Flame Carrier
  • Flame Producer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6

Explosive and its Accessories

  • A. Flame Producer : Match fuse, Match box,
  • Igniter safety fuse striker
  • B. Flame Carrier : Safety fuse
  • C. Detonator :
  • Safety Fuse
  • Mercury Fulminate
  • ASA Mixture
  • Base Charge (CE)

Explosive and its Accessories…

  • D. Detonation Wave Carrier(Primacord)
      • Length : 150 m
      • Explosive : PETN
      • Deto. Vel. : 6000 to 8000 m/s
  • E. Booster :
  • To boost up the detonation waves
      • CE Powder : Brown
      • GC Powder : White
  • F. Main Filling
  • Explosive Accessories
  • Fuse Burning
  • Delay Fuse
  • Detonator
  • Safety Fuse
  • Cordtex

Initiation Mechanism

  • The switches can either be classified as Electrical, Mechanical & Miscellaneous.
  • Types of Initiation Mechanism
  • Anti-handling
  • Delay
  • Ambient
  • Command
  • Types of Initiation Mechanism…
  • Anti-handling
  • Pressure
  • Pressure release
  • Pull
  • Pull/release
  • Tilt
  • Anti-penetration
  • Lift
  • Pendulum
  • Tension
  • Delay
  • Mechanical Timer
  • Clock/Watch
  • Quartz Watch
  • Electronic Timer
  • Pyrotechnics
  • Thermal
  • Electro Chemical
  • Chemical
  • Expanding seeds
  • Types of Initiation Mechanism…
  • Ambient
  • Temperature
  • Smoke/Gas
  • Sound
  • IR Rays
  • Proximity
  • Humidity
  • X Rays
  • Light
  • Command
  • Car remote
  • Cordless Bell
  • FM Radio
  • Command Wire
  • Aero Modeling

Questioning Technique

  • What time the bomb will explode ?
  • Where is the bomb located ?
  • What type of bomb is ?
  • How will we get rid of the bomb ?
  • What is your good name ?
  • Why have you kept the bomb ?
  • Where are you speaking from ?

Search Rules & Technique of an IED

  • Search Rules
  • Search Technique
  • What to look for ?
  • (Tell Tale Sign)
  • Points to remember
  • Action on locating IED

Search Rules & Technique

  • Search Rules
  • Don’t touch or handle suspicious object
  • Don’t assume only one device is planted
  • Use maximum two persons per room or for all area up to 250 Sq. ft.
  • Use Searches in alternate room

Search Rules & Technique…

  • Search Rules
  • Give rest after every 10 min.
  • Never use searches more than necessary
  • Clearly mark the area searched
  • Trust nothing and assume nothing safe

Search Rules & Technique…

  • Search Techniques
  • Obtain maximum information about the device
  • Listen before entering a room
  • Be careful about booby trap, at the door itself and also throughout the search
  • Make a visual survey of the entire area of the room

Search Rules & Technique…

  • Search Techniques
  • Divide the area while carrying out Search :
    • Waist level
    • Eye level
    • Ceiling level
    • Above Ceiling level

Search Rules & Technique

  • Search Techniques
  • Search back to back by two persons, meet in center and go back again
  • Rest after each Search
  • Mark the Searched area
  • Report about the area and suspected object
  • Ask for help from expert

Search Rules & Technique

  • What to look for ? (Tell Tale Sign)
  • Recently disturbed area
  • Saw dust, Brick dust, Wood chips
  • Greasy Paper Wrappings
  • Out of place object
  • Disturbed Carpenter
  • Tin foils

Search Rules & Technique

  • What to look for ? (Tell Tale Sign)
  • Partly open window/door/drawers
  • Fresh plaster/Cement
  • Loose Electric Fittings
  • Fish-line, dirty ropes, electric wire
  • Cut vegetation

Search Rules & Technique

  • What to look for ? (Tell Tale Sign)
  • Military container of explosive
  • Dirty foot prints
  • Scratched or new paint
  • New brick work/plaster

Search Rules & Technique

  • Points to Remember
  • Don’t touch or remove the packet
  • Don’t open with hands or puncture
  • Don’t submerge in water
  • Don’t accept identification mark on the face value
  • Don’t bring suspect bomb to police station

Search Rules & Technique

  • Points to Remember
  • Don’t open unless duty bound
  • Evacuate the people to a safe area
  • Don’t use radio
  • Open all doors and windows
  • Don’t be a Dead Hero
  • Scooter Bomb found at Bombay in March,1993

Search Rules & Technique

  • Action on locating an IED
  • Buttress : It’s an action of putting sand bags near the object to protect
  • Baffling : It’s an action of putting mattress etc. to minimise damage due to blast and fragments
  • Venting : It’s an action of opening all doors and windows of the room.

Bomb Incident Planning Cycle

  • Bomb Threat/Incident Notification
  • IED Location not known
  • IED Detonates a
  • Search
  • RSP
  • TPT
  • Remove
  • Remove
  • RSP
  • TPT
  • TPT
  • Remove
  • RSP
  • Investigation
  • Collect Evidence
  • Reconstruction
  • Analysis
  • Establish modus operandi
  • Conduct apprehension
  • Conviction
  • Disposal
  • IED Location known

Render Safe Procedure (RSP) Tool Kit

  • Render Safe Procedure (RSP) Tool Kit

Counter IED Operation

  • We can use mnemonic
  • “UNITED NATIONS”
  • U -Useful information prior to responding
  • N-Notify appropriate people
  • I-Initial Response to scene
  • T-Time element involved
  • E-Establish Command Post
  • D-Decide Techniques
  • A- Attack an IED
  • T-Transport the physical evidence
  • I-Investigate Crime
  • O-Orientate Pertinent Facts
  • N-Notify Appropriate People
  • S-Synopsis
  • Bomb Detection Technique
  • Technician Neutralizing an IED

Bomb Detection Technique

  • Snake Eye Camera
  • Bomb Detection Technique
  • Confirming presence of Explosive by Sniffer Dog
  • Bomb Detection Technique
  • Removing a suspected Car Bomb with Robot

Bomb Detection Technique

  • Mini Detector

Bomb Detection Technique

  • Electronic Stethoscope
  • Bomb Detection Technique
  • The door of a suspected Car being opened by Car Remote Opening Tool Kit (CROT)
  • Bomb Disposal Technique
  • Robot
  • Bomb Disposal Technique
  • Cordtex Opening Technique
  • Bomb Disposal Technique
  • Bomb Disposal Technique
  • Neutralizing an IED with Water Cannon
  • Bomb Disposal Technique
  • Cutting the wire by Remote Wire Cutter
  • Bomb Disposal Technique
  • Explosive Opening Techniques-Shot Gun Method
  • Bomb Disposal Technique
  • Disrupting the Power Source by Disrupter
  • Bomb Disposal Technique
  • Burning of Explosives
  • Bomb Disposal Technique
  • Making a hole in a suspected package with thermal cutter
  • Bomb Disposal Gears
  • Bomb Suit
  • Bomb Disposal Gears
  • Bomb Blanket
  • Bomb Disposal Gears
  • Bomb Basket
  • Bomb Disposal Gears
  • Bomb Transport Trailer
  • Bomb Disposal Gears
  • Robot (Wheel Barrow)

Safety Precautions

  • Do’s for Common Men
  • Inform the police on seeing any suspicious object
  • Move away from the suspicious object in a quiet manner
  • Follow instructions of guide in case of threat
  • Carry your own personal belongings during evacuation
  • Help ladies, old and children

Safety Precautions

  • Do’s for Common Men
  • When a vehicle is parked, close all windows and lock the doors
  • Inspect vehicles for any suspicious object before moving out of garage
  • Switch off all electrical mains, gas lines etc.

Safety Precautions

  • Don’ts for Common Men
  • Touch or handle any suspicious object
  • Pick up attractive items lying at odd places
  • Open or cut any suspicious object
  • Panic but remain cool
  • Obstruct the passage of security/bomb squad

Safety Precautions

  • Don’ts for Common Men
  • Spread rumors
  • Assume only one device is planted
  • Submerge in water
  • Bring suspected bomb to police station
  • Leave vehicle unattended

IED : BOOK & LETTER BOMB

  • Started by Black September Group (Palestine)
  • Components of Letter Bomb
  • Sheet Explosives
  • Detonator
  • Switch Mechanism
  • Power Source (9V Polaroid Cell)

Recognition Sign

  • We can use mnemonic “EXPLOSIVE PARCEL”
  • E-Excessive Securing Material
  • X-Excessive Weight
  • P-Protruding Wire
  • L-Lop Sided/Unevenly weighted
  • O-Oily Stains
  • S-Stiff or rigid envelope
  • I-Is pack expected ?
  • V-Visual distraction
  • E-Excessive Postage

Recognition Sign

  • We can use mnemonic
  • “EXPLOSIVE PARCEL”
  • P-Proper Name & Title incorrect
  • A-Address hand written or poorly typed
  • R-Restrictive Marking
  • C-Common Words misspell
  • E-European/Foreign Mail
  • L-Lacks address of sender

Safety Precautions

  • Evacuate all persons
  • Stop entry into the room
  • Don’t open letter by hand
  • Don’t smoke near bomb
  • Don’t cut any protruding wire
  • Don’t jerk the letter
  • Put letter through Mail Bomb Detector

The Value of Taking Cover

  • Standing in the open
  • Lying down in the open
  • lying behind a low cover
  • Inside brick house
  • In Shelters or trench
  • 100%
  • 50%
  • 35%
  • 10%
  • 5%

Bomb Threat Contingency Plan for an Industry

  • Important Features
  • Designate a bomb threat co-ordinator
  • Bomb threat co-ordination control room
  • Bomb threat assessment committee
  • Evacuation of area
  • Search team
  • Evacuation signal

Bomb Threat Contingency Plan for an Industry

  • Important Features
  • Liaison arrangements
  • Responsibilities of various agencies
  • Telephone numbers
  • Completion Certificate
  • Remember that every Ex-Serviceman need not be an IED expert

ANY QUESTIONS



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